<template>
	<div>
		<p>son1: {{ value }}</p>
		<!-- <el-input v-model="num" placeholder="" size="normal" clearable ></el-input> -->

		<el-button type="primary" size="default" @click="changeF">son1</el-button>
	</div>
</template>

<script>
	export default {
		props: {
			value: {
				type: Number,
				default: null
			}
		},
		data() {
			return {
				num: 200
			}
		},
		methods: {
			changeF() {
				this.$emit('input', this.num)
			}
		}
	}
</script>

<style lang="scss" scoped></style>
